'Hoy'
Kea or Ios.
Obviously, Mississippi and Pennsylvania. However there is a letter "p" in the OFFICIAL name of the State of Rhode Island. The official name is the "State of Rhode Island and Providence Plantations".
Pitcairn Island was sighted on July 3, 1767 by the crew of the British ship HMS Swallow. It was named after Midshipman Robert Pitcairn, a fifteen-year-old crew member who was the first to sight the island. Robert Pitcairn was the son of British Marine Officer, John Pitcairn.
don
key
The 3-letter name given to a mountain pass is "Col."
Ariel 3.
Three island countries of Asia are Indonesia, Philippines, and Japan.
The 3-letter name of a Spanish gentleman is "Don." It is traditionally used as an honorific title before a man's first name.
Sir
woe
Ode.